Starting a fitness journey involves several best practices to ensure success and sustainability. First, individuals should set realistic and achievable goals that are specific to their personal aspirations. It's essential to develop a routine that gradually incorporates different forms of exercise, balancing cardiovascular, strength, and flexibility training. Seeking guidance from fitness professionals can help tailor a program to individual needs and abilities. Additionally, tracking progress and celebrating small wins can boost motivation, while maintaining a supportive social network can enhance adherence to the fitness journey.